The World's Largest Public Domain Media Search Engine

historic american engineering record

public
107,751 media by topicpage 1076 of 1078
Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River at Sixth Street, Pittsburgh, Allegheny County, PA

Three Sisters Bridges, Sixth Street Bridge, Spanning Allegheny River a...

Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest... More

Gianella Bridge, Spanning Sacramento River at State Highway 32, Hamilton City, Glenn County, CA

Gianella Bridge, Spanning Sacramento River at State Highway 32, Hamilt...

Significance: The Gianella Bridge is the oldest remaining highway swing bridge in California. It is important in local history for its relation to events in local economic and agricultural development. It is ... More

Connecticut Avenue Bridge, Spans Rock Creek & Potomac Parkway at Connecticut Avenue, Washington, District of Columbia, DC

Connecticut Avenue Bridge, Spans Rock Creek & Potomac Parkway at Conne...

Significance: Designed by prominent engineer George B. Morison, Connecticut Avenue Bridge was described at the time of its construction as the largest concrete arch in the world. This seven-arch span was erect... More

Bethlehem Steel Corporation, High House, Along Lehigh River, North of Fourth Street, Bethlehem, Northampton County, PA

Bethlehem Steel Corporation, High House, Along Lehigh River, North of ...

Unprocessed Field note material exists for this structure: N31 Survey number: HAER PA-186-C

Bethlehem Steel Corporation, High House, Along Lehigh River, North of Fourth Street, Bethlehem, Northampton County, PA

Bethlehem Steel Corporation, High House, Along Lehigh River, North of ...

Unprocessed Field note material exists for this structure: N31 Survey number: HAER PA-186-C

Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van No...

Significance: The Los Angeles Aqueduct and its Mono Basin Extension delivers water to the City of Los Angeles from the Mono Basin in the Sierra Nevada Mountains through Owens Valley and across the Mojave Desert... More

Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van No...

Significance: The Los Angeles Aqueduct and its Mono Basin Extension delivers water to the City of Los Angeles from the Mono Basin in the Sierra Nevada Mountains through Owens Valley and across the Mojave Desert... More

San Francisco Sugar Central, Indios, Guayanilla Municipio, PR

San Francisco Sugar Central, Indios, Guayanilla Municipio, PR

Survey number: HAER PR-26 Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description

Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Westmoreland County, PA

Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...

Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More

Big Creek Hydroelectric System, Powerhouse 8, Operator Cottage, Big Creek, Big Creek, Fresno County, CA

Big Creek Hydroelectric System, Powerhouse 8, Operator Cottage, Big Cr...

Significance: Building 105, Powerhouse 8, is one of the few surviving examples of operator housing from the Big Creek System period of significance (1911-1929). Its significance derives from its contribution t... More

Hacienda Azucarera La Concepcion, Sugar Mill Ruins, .3 Mi. W. of Junction of Rts. 418 & 111, Victoria, Agaudilla Municipio, PR

Hacienda Azucarera La Concepcion, Sugar Mill Ruins, .3 Mi. W. of Junct...

Significance: Hacienda La Concepcion was established on the old banks of the Culebrinas River by the family of Dona Eulalia Quinones. In 1868, her husband, Jose Nestor Cardona, installed the steam engine and m... More

U.S. Coast Guard Cutter WHITE HOLLY, U.S. Coast Guard 8th District Base, 4640 Urquhart Street, New Orleans, Orleans Parish, LA

U.S. Coast Guard Cutter WHITE HOLLY, U.S. Coast Guard 8th District Bas...

Significance: WHITE HOLLY was originally constructed as a yard lighter YF 341 for the U.S. Navy YF 257 class. This class of vessel provided logistical support to naval operations during World War II. Followin... More

U.S. Coast Guard Cutter WHITE HOLLY, U.S. Coast Guard 8th District Base, 4640 Urquhart Street, New Orleans, Orleans Parish, LA

U.S. Coast Guard Cutter WHITE HOLLY, U.S. Coast Guard 8th District Bas...

Significance: WHITE HOLLY was originally constructed as a yard lighter YF 341 for the U.S. Navy YF 257 class. This class of vessel provided logistical support to naval operations during World War II. Followin... More

W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monongahela River, Rices Landing, Greene County, PA

W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...

Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More

Rosie the Riveter National Historical Park, 1401 Marina Way South, Richmond, Contra Costa County, CA

Rosie the Riveter National Historical Park, 1401 Marina Way South, Ric...

Survey number: HAER CA-326 Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description

West Rim Drive, Between Grand Canyon Village & Hermit Rest, Grand Canyon, Coconino County, AZ

West Rim Drive, Between Grand Canyon Village & Hermit Rest, Grand Cany...

Significance: The scenic drive is an early example of the cooperative agreement between the National Park Service and Bureau of Public Roads (then part of the Department of Agriculture) to build quality automot... More

Honey Run Bridge, Spanning Butte Creek, bypassed section of Honey Run Road (originally Carr Hill Road), Paradise, Butte County, CA

Honey Run Bridge, Spanning Butte Creek, bypassed section of Honey Run ...

modified Pratt truss (4); 230' long; 3 span, combined wood & iron Significance: The Honey Run Bridge is the best preserved of four surviving examples of Pratt-type wood covered bridges in the United States. Th... More

Watervliet Arsenal, Cast-Iron Storehouse, Westervelt Avenue & Gibson Street, Watervliet, Albany County, NY

Watervliet Arsenal, Cast-Iron Storehouse, Westervelt Avenue & Gibson S...

Significance: May well be the only remaining all-iron building still used for its original purpose. It is also an early example of prefabricated construction, all its parts having been constructed by Architect... More

Sperry Corn Elevator Complex, Weber Avenue (North side), West of Edison Street, Stockton, San Joaquin County, CA

Sperry Corn Elevator Complex, Weber Avenue (North side), West of Ediso...

Significance: The Sperry Corn Elevator Complex is a reminder of the great Sperry milling enterprises. Not constructed until 1920, the elevator played a distinct role in the Sperry operations and, more importan... More

Columbia Basin Project, Grand Coulee Dam & Franklin D. Roosevelt Lake, Across Columbia River, Southeast of Town of Grand Coulee, Grand Coulee, Grant County, WA

Columbia Basin Project, Grand Coulee Dam & Franklin D. Roosevelt Lake,...

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Significance: At the time of construction, Grand Coulee Dam was the most massive structure ever built: construct... More

Morris Canal, Phillipsburg, Warren County, NJ

Morris Canal, Phillipsburg, Warren County, NJ

Significance: The Morris Canal is one of the few amphibious canals to operate in the United States. Stretching from Phillipsburg on the Delaware River to Jersey City on the Hudson River, the Morris Canal opene... More

Morris Canal, Phillipsburg, Warren County, NJ

Morris Canal, Phillipsburg, Warren County, NJ

Significance: The Morris Canal is one of the few amphibious canals to operate in the United States. Stretching from Phillipsburg on the Delaware River to Jersey City on the Hudson River, the Morris Canal opene... More

Morris Canal, Phillipsburg, Warren County, NJ

Morris Canal, Phillipsburg, Warren County, NJ

Significance: The Morris Canal is one of the few amphibious canals to operate in the United States. Stretching from Phillipsburg on the Delaware River to Jersey City on the Hudson River, the Morris Canal opene... More

East Broad Top Railroad & Coal Company, Machine Shop, State Route 994, West of U.S. Route 522, Rockhill Furnace, Huntingdon County, PA

East Broad Top Railroad & Coal Company, Machine Shop, State Route 994,...

Unprocessed Field note material exists for this structure: N292 Survey number: HAER PA-127-A National Register of Historic Places NRIS Number: 66000666

Ellis Island, Contagious Disease Hospital Staff House, New York Harbor, New York, New York County, NY

Ellis Island, Contagious Disease Hospital Staff House, New York Harbor...

Significance: The Staff House was a support structure for the Contagious Disease Hospital complex on Island 3 of the Ellis Island U. S. Immigration Station. Construction of the Contagious Disease Hospital in 1... More

Saugus River Drawbridge, Spanning Saugus River at MBTA Railroad Eastern Route, Saugus, Essex County, MA

Saugus River Drawbridge, Spanning Saugus River at MBTA Railroad Easter...

Significance: The Saugus River Drawbridge is a single-leaf Strauss overhead counterweight bascule which is believed to be the oldest known example of its type in Massachusetts. It is particularly significant f... More

Saugus River Drawbridge, Spanning Saugus River at MBTA Railroad Eastern Route, Saugus, Essex County, MA

Saugus River Drawbridge, Spanning Saugus River at MBTA Railroad Easter...

Significance: The Saugus River Drawbridge is a single-leaf Strauss overhead counterweight bascule which is believed to be the oldest known example of its type in Massachusetts. It is particularly significant f... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Detroit Edison Hart Substation, 11736 East Vernor, Detroit, Wayne County, MI

Detroit Edison Hart Substation, 11736 East Vernor, Detroit, Wayne Coun...

Significance: The Detroit Edison Hart Substation is typical of the kind of electrical substations built for the Detroit Edison Company in the early 20th century to step down (reduce) high voltage incoming elect... More

Muscogee Manufacturing Company, Front Avenue & Fourteenth Street, Columbus, Muscogee County, GA

Muscogee Manufacturing Company, Front Avenue & Fourteenth Street, Colu...

Significance: Each successive mill of the Muscogee complex has its own character and significance. All buildings erected at the site since 1868 remain standing, an unusual massing of industrial buildings which... More

Newark International Airport, Administration Building, Brewster Road between Route 21 & New Jersey Turnpike Exchange No. 14, Newark, Essex County, NJ

Newark International Airport, Administration Building, Brewster Road b...

Significance: Part of Newark International Airport, the Administration Building was the second at Newark Airport. Opened in 1935, the second Airport Administration Building was one of the first advanced, secon... More

Newark International Airport, Administration Building, Brewster Road between Route 21 & New Jersey Turnpike Exchange No. 14, Newark, Essex County, NJ

Newark International Airport, Administration Building, Brewster Road b...

Significance: Part of Newark International Airport, the Administration Building was the second at Newark Airport. Opened in 1935, the second Airport Administration Building was one of the first advanced, secon... More

Upper Mississippi River 9-Foot Channel Project, Lock & Dam 27, Granite City, Madison County, IL

Upper Mississippi River 9-Foot Channel Project, Lock & Dam 27, Granite...

Significance: ...Lock and Dam No. 27 constitute additions to the original Upper Mississippi Nine-Foot Channel Project, constructed after World War II. Lock No. 27, located on the Chain of Rocks Canal, provided... More

Naval Base Philadelphia-Philadelphia Naval Shipyard, Lift Bridge, Mouth of Reserve Basin, League Island, Philadelphia, Philadelphia County, PA

Naval Base Philadelphia-Philadelphia Naval Shipyard, Lift Bridge, Mout...

Significance: Planned as part of the pre-WWII enlargement of the shipyard in support of a two-ocean navy, the bridge was built to provide direct vehicular and rail access to the western portion of the Navy Yard... More

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, Philadelphia, Philadelphia County, PA

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...

See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, Philadelphia, Philadelphia County, PA

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...

See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, Philadelphia, Philadelphia County, PA

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...

See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, Philadelphia, Philadelphia County, PA

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...

See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, Philadelphia, Philadelphia County, PA

Fairmount Waterworks, East bank of Schuylkill River, Aquarium Drive, P...

See also HABS PA-1654 for additional documentation. Significance: The Fairmount Water Works is perhaps the premier example of early nineteenth-century American industrial architecture. It was built to supply P... More

Red Bank Creek Bridge, Spanning Red Bank Creek at Rawson Road, Red Bluff, Tehama County, CA

Red Bank Creek Bridge, Spanning Red Bank Creek at Rawson Road, Red Blu...

Significance: The Red Bank Creek Bridge on Rawson Road is one of the few remaining bridges erected by the Pacific Bridge Company of San Francisco. In addition, it is also a rare California example of a truss b... More

Marshall Space Flight Center, Saturn Propulsion & Structural Test Facility, East Test Area, Huntsville, Madison County, AL

Marshall Space Flight Center, Saturn Propulsion & Structural Test Faci...

Survey number: HAER AL-129-D National Register of Historic Places NRIS Number: 85002804

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Great Northern Elevator, 250 Ganson Street, Buffalo, Erie County, NY

Great Northern Elevator, 250 Ganson Street, Buffalo, Erie County, NY

Significance: The grain elevators of Buffalo comprise the most outstanding collection of extant grain elevators in the United States, and collectively represent the variety of construction materials, building f... More

Great Northern Elevator, 250 Ganson Street, Buffalo, Erie County, NY

Great Northern Elevator, 250 Ganson Street, Buffalo, Erie County, NY

Significance: The grain elevators of Buffalo comprise the most outstanding collection of extant grain elevators in the United States, and collectively represent the variety of construction materials, building f... More

Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route 15 near I-80, Dover, Morris County, NJ

Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...

Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More

Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route 15 near I-80, Dover, Morris County, NJ

Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...

Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More

Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route 15 near I-80, Dover, Morris County, NJ

Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...

Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More

Heald Street Bridge, Spanning Conrail Railroad on South Heald Street (U.S. Route 13), Wilmington, New Castle County, DE

Heald Street Bridge, Spanning Conrail Railroad on South Heald Street (...

Significance: The Heald Street Bridge is a multiple span, embellished example of a concrete encased steel girder bridge. This commonly built type exemplifies the continuing expansion and improvement of the roa... More

Annisquam Bridge, Spanning Lobster Cove between Washington & River Streets, Gloucester, Essex County, MA

Annisquam Bridge, Spanning Lobster Cove between Washington & River Str...

Significance: The Annisquam Bridge is a wood-pile and timber-stringer highway bridge, 443 feet in length and 26 feet in width. Although it was the most common type of bridge over wide bodies of water throughou... More

Fisher-Fallgatter Mill, Waupaca, Waupaca County, WI

Fisher-Fallgatter Mill, Waupaca, Waupaca County, WI

Significance: The Fisher-Fallgatter Mill stands as one of the few surviving flour mills in Wisconsin. Less than a century ago, hundreds of flour and gristmills were scattered across the state as settlers found ... More

Fisher-Fallgatter Mill, Waupaca, Waupaca County, WI

Fisher-Fallgatter Mill, Waupaca, Waupaca County, WI

Significance: The Fisher-Fallgatter Mill stands as one of the few surviving flour mills in Wisconsin. Less than a century ago, hundreds of flour and gristmills were scattered across the state as settlers found ... More

U.S. Steel National Tube Works, Main Pipe Mill Building, Along Monongahela River, McKeesport, Allegheny County, PA

U.S. Steel National Tube Works, Main Pipe Mill Building, Along Mononga...

Survey number: HAER PA-380-A Building/structure dates: 1906 Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions image - Picryl description

Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County, IA

Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County...

Significance: The Freeport Bridge is one of the few unaltered examples remaining of what had once been the standard rural roadway bridge type of the 1870s in America, the bowstring arch-truss. This patented tu... More

Willard Hotel, 1401-1409 Pennsylvania Avenue Northwest, Washington, District of Columbia, DC

Willard Hotel, 1401-1409 Pennsylvania Avenue Northwest, Washington, Di...

Significance: The New Willard hotel was designed at the turn of this century by Henry J. Hardenbergh, one of the country's most need hotel architects. It replaced the earlier "Willard Hotel" which had been bui... More

Willard Hotel, 1401-1409 Pennsylvania Avenue Northwest, Washington, District of Columbia, DC

Willard Hotel, 1401-1409 Pennsylvania Avenue Northwest, Washington, Di...

Significance: The New Willard hotel was designed at the turn of this century by Henry J. Hardenbergh, one of the country's most need hotel architects. It replaced the earlier "Willard Hotel" which had been bui... More

Ship "Falls of Clyde", Hawaii Maritime Center,Pier 7, Honolulu, Honolulu County, HI

Ship "Falls of Clyde", Hawaii Maritime Center,Pier 7, Honolulu, Honolu...

Significance: Falls of Clyde, a National Historic Landmark vessel, is the world's only surviving four-masted, full-rigged ship and the only surviving sailing oil tanker left afloat in the world. Built as a bul... More

Schwamb Mill, 17 Mill Lane, Arlington, Middlesex County, MA

Schwamb Mill, 17 Mill Lane, Arlington, Middlesex County, MA

Significance: This example of a 19th-century woodworking mill includes operational equipment and evidence for four power systems. Circular and elliptical picture frames are manufactured here as they have been ... More

Schwamb Mill, 17 Mill Lane, Arlington, Middlesex County, MA

Schwamb Mill, 17 Mill Lane, Arlington, Middlesex County, MA

Significance: This example of a 19th-century woodworking mill includes operational equipment and evidence for four power systems. Circular and elliptical picture frames are manufactured here as they have been ... More

St. John Plantation, Creole Cottage One, State Highway 347, Saint Martinville, St. Martin Parish, LA

St. John Plantation, Creole Cottage One, State Highway 347, Saint Mart...

1988 Charles E. Peterson Prize, Entry Survey number: HABS LA-1186-A Building/structure dates: 1881 Initial Construction

Schooner ERNESTINA, New Bedford Whaling National Historical Park State Pier, New Bedford, Bristol County, MA

Schooner ERNESTINA, New Bedford Whaling National Historical Park State...

Significance: ERNESTINA is an example of Essex fishing schooner design and has been used for a variety of purposes. She worked in Grand Banks fishing during the peak of sail and is the oldest surviving Grand B... More

Bodisco House, 3322 O Street, Northwest, Washington, District of Columbia, DC

Bodisco House, 3322 O Street, Northwest, Washington, District of Colum...

Significance: A federal period house, with a unique, early twentieth century first floor plan, the Bodisco House is included in virtually every book on Georgetown because of the mid-nineteenth century romance a... More

Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee County, IA

Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...

Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More

Soudan Iron Mine, Tower-Soudan State Park, Tower, St. Louis County, MN

Soudan Iron Mine, Tower-Soudan State Park, Tower, St. Louis County, MN

Significance: The Soundan Iron mine contained one of the richest iron deposits in the country, and is the oldest and deepest underground mine. Its opening in 1884 marked the emergence of Minnesota as the leadi... More

St. Mary's Seminary, 600 North Paca Street, Baltimore, Independent City, MD

St. Mary's Seminary, 600 North Paca Street, Baltimore, Independent Cit...

Significance: Oldest Roman Catholic seminary in U.S. Founded in 1791 by four French Supicians, the order that established the seminary concept in France in 1642. Unprocessed Field note material exists for thi... More

St. Mary's Seminary, 600 North Paca Street, Baltimore, Independent City, MD

St. Mary's Seminary, 600 North Paca Street, Baltimore, Independent Cit...

Significance: Oldest Roman Catholic seminary in U.S. Founded in 1791 by four French Supicians, the order that established the seminary concept in France in 1642. Unprocessed Field note material exists for thi... More

Ashtabula Viaduct, Spanning Ashtabula River at U.S. Route 20 (Prospect Road), Ashtabula, Ashtabula County, OH

Ashtabula Viaduct, Spanning Ashtabula River at U.S. Route 20 (Prospect...

Significance: This concrete, open spandrel rib arch viaduct is of engineering significance for its outstanding design feature of a complete separation of the superstructures at the end of each span using only a... More

Ashtabula Viaduct, Spanning Ashtabula River at U.S. Route 20 (Prospect Road), Ashtabula, Ashtabula County, OH

Ashtabula Viaduct, Spanning Ashtabula River at U.S. Route 20 (Prospect...

Significance: This concrete, open spandrel rib arch viaduct is of engineering significance for its outstanding design feature of a complete separation of the superstructures at the end of each span using only a... More

Promontory Route Railroad Trestles, S.P. Trestle 779.91, One mile southwest of junction of State Highway 83 and Blue Creek, Corinne, Box Elder County, UT

Promontory Route Railroad Trestles, S.P. Trestle 779.91, One mile sout...

Significance: After its completion in 1869, the Transcontinental Railroad Line required continuous repair and rebuilding. The Southern Pacific Railroad Trestle #1, located on the Engineer Mountain grade west of... More

Promontory Route Railroad Trestles, S.P. Trestle 779.91, One mile southwest of junction of State Highway 83 and Blue Creek, Corinne, Box Elder County, UT

Promontory Route Railroad Trestles, S.P. Trestle 779.91, One mile sout...

Significance: After its completion in 1869, the Transcontinental Railroad Line required continuous repair and rebuilding. The Southern Pacific Railroad Trestle #1, located on the Engineer Mountain grade west of... More

Bonneville Project, Powerhouse No.1, Spanning Bradford Slough, from Bradford Island, Bonneville, Multnomah County, OR

Bonneville Project, Powerhouse No.1, Spanning Bradford Slough, from Br...

Survey number: HAER OR-11-E Building/structure dates: 1937 Initial Construction

Bonneville Project, Powerhouse No.1, Spanning Bradford Slough, from Bradford Island, Bonneville, Multnomah County, OR

Bonneville Project, Powerhouse No.1, Spanning Bradford Slough, from Br...

Survey number: HAER OR-11-E Building/structure dates: 1937 Initial Construction

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 mile upriver from confluence with Shenandoah River, Harpers Ferry, Jefferson County, WV

Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...

Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More

Interborough Rapid Transit Company, Third Avenue Elevated Line, Borough of the Bronx, New York, New York County, NY

Interborough Rapid Transit Company, Third Avenue Elevated Line, Boroug...

Significance: A part of the first Subway system constructed in New York City. Survey number: HAER NY-68 Building/structure dates: 1904 Initial Construction Building/structure dates: 1973 Building/structure... More

Philadelphia Electric Company, Richmond Power Station, Southeast end of Lewis Street along Delaware River, Philadelphia, Philadelphia County, PA

Philadelphia Electric Company, Richmond Power Station, Southeast end o...

Survey number: HAER PA-574 Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description

Oakland Army Base, Transit Shed, East of Dunkirk Street & South of Burma Road, Oakland, Alameda County, CA

Oakland Army Base, Transit Shed, East of Dunkirk Street & South of Bur...

Significance: Oakland Army Base (OARB) was planned and constructed a a time when military planners recognized that the West Coast would have a vital role in responding to Japanese aggression during World War II... More

Union Canal Locks, Bernville, Berks County, PA

Union Canal Locks, Bernville, Berks County, PA

Significance: The ruins of these locks document 19th-century canal technology, and illustrate the importance of water transportation in the first half of the century. Although the Union Canal failed to become ... More

Donovan's Mill, Silver City, Lyon County, NV

Donovan's Mill, Silver City, Lyon County, NV

Significance: The Donovan Mill was the first cyanide process mill established on the Comstock, and opened the way for the great technological revolution in metallurgy. Unprocessed Field note material exists fo... More

Ferry EUREKA, Hyde Street Pier, San Francisco, San Francisco County, CA

Ferry EUREKA, Hyde Street Pier, San Francisco, San Francisco County, C...

See HAER CA-364 for documentation of the Eureka's Lifeboat No. 3. Significance: EUREKA, considered to be the only extant vessel of its type in the United States, symbolizes an era of travel that has all but van... More

Ferry EUREKA, Hyde Street Pier, San Francisco, San Francisco County, CA

Ferry EUREKA, Hyde Street Pier, San Francisco, San Francisco County, C...

See HAER CA-364 for documentation of the Eureka's Lifeboat No. 3. Significance: EUREKA, considered to be the only extant vessel of its type in the United States, symbolizes an era of travel that has all but van... More

Independent Coal & Coke Company, Kenilworth, Carbon County, UT

Independent Coal & Coke Company, Kenilworth, Carbon County, UT

Significance: The opening of the Kenilworth Mine in 1907 marked the beginning of the second phase of development in Utah's coal industry. The first phase was marked by a complete monopoly of the railroads over... More

Independent Coal & Coke Company, Kenilworth, Carbon County, UT

Independent Coal & Coke Company, Kenilworth, Carbon County, UT

Significance: The opening of the Kenilworth Mine in 1907 marked the beginning of the second phase of development in Utah's coal industry. The first phase was marked by a complete monopoly of the railroads over... More

U.S. Steel Homestead Works, Auxiliary Buildings & Shops, Along Monongahela River, Homestead, Allegheny County, PA

U.S. Steel Homestead Works, Auxiliary Buildings & Shops, Along Mononga...

See also HAER PA-200 for additional documentation. Includes written data (pages 147 through 179). Significance: As a group, the structures and steel-making equipment from Homestead Works represented one of the ... More

Central Furnaces, 2650 Broadway, east bank of Cuyahoga River, Cleveland, Cuyahoga County, OH

Central Furnaces, 2650 Broadway, east bank of Cuyahoga River, Clevelan...

Significance: The history of Central Furnaces in continuous operation for almost one hundred years illustrates Cleveland's role as one of the Nation's leading iron and steel centers. The plant was establis... More

Route 206 Raritan River Bridge, U.S. Route 206 over Raritan River, Somerville, Somerset County, NJ

Route 206 Raritan River Bridge, U.S. Route 206 over Raritan River, Som...

Significance: The Route 206 Raritan River Bridge is a well-preserved example of a concrete open-spandrel, barrel-arch bridge, representative of the early work of New Jersey State Highway Department Chief Bridge... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Skyline Drive, From Front Royal, Virginia to Rockfish Gap, Virginia , Luray, Page County, Virginia

Skyline Drive, From Front Royal, Virginia to Rockfish Gap, Virginia , ...

Significance: Over seventy miles long and varying in width from less than one mile to just over 13 miles, Shenandoah National Park straddles the Blue Ridge Mountains of Virginia. Here the ancient and narrow fr... More

Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Middlesex County, MA

Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Mi...

Significance: The Swamp Locks complex consists of a flight of two navigation locks with a dam at the west end of the upper lock. The original locks opened in 1797, and were rebuilt in 1822-1823 when this confi... More

Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Middlesex County, MA

Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Mi...

Significance: The Swamp Locks complex consists of a flight of two navigation locks with a dam at the west end of the upper lock. The original locks opened in 1797, and were rebuilt in 1822-1823 when this confi... More

Ben Thresher's Mill, State Aid No. 1, Barnet, Caledonia County, VT

Ben Thresher's Mill, State Aid No. 1, Barnet, Caledonia County, VT

Significance: Alexander Jack built the mill as a Dye & Print Works in 1872. J. Loren Judkins established a Wagon Shop in 1893 and added the Blacksmith Shop c. 1895. The timber frame and plank dam is intact. ... More

Cambria Iron Company, Blacksmith Shop, Lower Works, Johnstown, Cambria County, PA

Cambria Iron Company, Blacksmith Shop, Lower Works, Johnstown, Cambria...

Significance: The blacksmith shop is the earliest surviving building of the Cambria Iron Company. The shop produced a wide range of metal products throughout the nineteenth and early twentieth centuries, and c... More

Logan House Road, Glenbrook, Douglas County, NV

Logan House Road, Glenbrook, Douglas County, NV

Significance: The Logan House Road represents the transportation system developed to support the massive production achievement of the CTLF in association with the Comstock Mining era of Western Nevada. Survey... More

Logan House Road, Glenbrook, Douglas County, NV

Logan House Road, Glenbrook, Douglas County, NV

Significance: The Logan House Road represents the transportation system developed to support the massive production achievement of the CTLF in association with the Comstock Mining era of Western Nevada. Survey... More

Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper County, IA

Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper Co...

Significance: The West 8th Street North bridge in Newton is one of fifteen known concrete rainbow arch bridges in Iowa. It is considered an important structural form in the development of reinforced concrete t... More

Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper County, IA

Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper Co...

Significance: The West 8th Street North bridge in Newton is one of fifteen known concrete rainbow arch bridges in Iowa. It is considered an important structural form in the development of reinforced concrete t... More

San Mateo Ferry, South end of Lake Union, Seattle, King County, WA

San Mateo Ferry, South end of Lake Union, Seattle, King County, WA

Significance: Steam ferryboat employed on San Francisco Bay, and later on Puget Sound. Last remaining steam powered auto ferry of a once larger fleet on the West Coast. Also the last steam powered auto ferry l... More

Previous

of 1,078

Next